答案：1.can　2.Absorbed　3.once　4.themselves　5.was accused　6.defence　7.concentrated　8.approval　9.was polished　10.were delighted

Ⅱ.选用短语的适当形式填空

be involved in；(be)senior to；make an appointment with；approve of；ahead of；to one's delight；in process；commit a crime；be guilty of；(be)sceptical of

　　1．We were praised by the manager for completing the work five days ________ time.

　　2．The organization denied the accusation that it ________ the murders.

　　3．Mr Smith was unfit for the position.It had to be filled by an officer ________ him.

　　4．The research into the cause of the accident is still ________．

　　5．________，our daughter adjusted(herself)to campus life a month after entering college.

　　6．We doubt whether John will defeat his opponent.This means we ________ his chances of winning.

　　7．We live in a society ruled by law.If you ________ you can never escape being punished.

8．If you ________ a suggestion，you like it or are pleased about it.